How to convert ffmpeg command to Python code

Question

I would like to convert the command ffmpeg -i input.mp4 -i input.wav -c:v copy -map 0:v:0 -map 1:a:0 -c:a aac -b:a 192k output.mp4 to a Python function. How can I do this?

ArcadeGolfer · Accepted Answer · 2020-09-12 08:48:39Z

2

This is how I achieve it on Linux.

def ffmpeg():
    cmd = ["ffmpeg", "-i", "input.mp4", "-i",  "input.wav",  "-c:v", "copy",  "-map",  "0:v:0", "-map", "1:a:0",  "-c:a",  "aac",  "-b:a",  "192k",  "output.mp4"]
    
    ffmpeg = subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
    
    # wait until the process completes
    ffmpeg.communicate()

or if you need to see the output replace with

ffmpeg = subprocess.Popen(cmd)

answered Sep 12, 2020 at 8:48

ArcadeGolfer

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1 Comment

mpourreza Over a year ago

Thanks for your answer. Is there a way to write actual code instead of running the process?

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